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	<div id="pagetitle"><h1>YUI Library Examples: The YUI Global Object: Check Data Types with <code>Lang</code></h1></div>
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	<h2>The YUI Global Object: Check Data Types with <code>Lang</code></h2>

	<div id="example" class="promo">
	<div class="example-intro">
	<p>The <a href="http://developer.yahoo.com/yui/3/yui/">YUI Global Object</a>
includes several useful type-checking methods in the <code>Lang</code>
object.  In addition to the 'isXYZ' type check methods, YUI3 includes
<code>Y.Lang.type</code>, which returns a string representing the type of the tested
object.  Click the "Check" button in each row to evaluate the data.</p>
	</div>	

	<div class="module example-container ">
			<div class="hd exampleHd">
			<p class="newWindowButton yui-skin-sam">
                <a href="yui-isa_clean.html" target="_blank">View example in new window.</a>
            </p>
		</div>		<div id="example-canvas" class="bd">

		
	<!--BEGIN SOURCE CODE FOR EXAMPLE =============================== -->
	
	<table id="demo">
    <thead>
        <tr>
            <th>Data</th>
            <th>isObject</th>
            <th>isArray</th>
            <th>isFunction</th>
            <th>type</th>
        </tr>
    </thead>
    <tbody>
        <tr>
            <td><code>null<code></td>
            <td colspan="4"><input type="button" name="demo-1" id="demo-1" value="check"/></td>
        </tr>
        <tr>
            <td><code>[] or new Array()</code></td>
            <td colspan="4"><input type="button" name="demo-2" id="demo-2" value="check"/></td>
        </tr>
        <tr>
            <td><code>{} or new Object()</code></td>
            <td colspan="4"><input type="button" name="demo-3" id="demo-3" value="check"/></td>
        </tr>
        <tr>
            <td><code>function Foo() {}</code></td>
            <td colspan="4"><input type="button" name="demo-4" id="demo-4" value="check"/></td>
        </tr>
        <tr>
            <td><code>new Foo()</code></td>
            <td colspan="4"><input type="button" name="demo-5" id="demo-5" value="check"/></td>
        </tr>
        <!--
        <tr>
            <td><code>elem.getElementsByTagName('p')</code></td>
            <td colspan="4"><input type="button" name="demo-6" id="demo-6" value="check"/></td>
        </tr>
        <tr>
            <td><code>Y.all('#demo td:foo')</code></td>
            <td colspan="4"><input type="button" name="demo-7" id="demo-7" value="check"/></td>
        </tr>
        -->
    <tbody>
</table>
<script type="text/javascript">
YUI({filter:"debug", logInclude: {example:true}}).use("node", function(Y) {
    // This method is in the core of the library, so we don't have to use() any
    // additional modules to access it.  However, this example requires 'node'.

    var checkType = function (val) {
        return {
            'object'  : Y.Lang.isObject(val),
            'array'   : Y.Lang.isArray(val),
            'function': Y.Lang.isFunction(val),
            'type'    : Y.Lang.type(val)
        };
    };

    var populateRow = function (e, data) {
        var target = e.target;
            cell = target.get('parentNode'),
            row  = cell.get('parentNode');

        row.removeChild(cell);

        var td0 = document.createElement('td'),
            td1 = td0.cloneNode(false),
            td2 = td0.cloneNode(false);
            td3 = td0.cloneNode(false);

        var results = checkType(data);

        td0.appendChild(document.createTextNode(results['object']   ? 'Y' : 'N'));
        td1.appendChild(document.createTextNode(results['array']    ? 'Y' : 'N'));
        td2.appendChild(document.createTextNode(results['function'] ? 'Y' : 'N'));
        td3.appendChild(document.createTextNode(results['type']));

        row.appendChild(td0);
        row.appendChild(td1);
        row.appendChild(td2);
        row.appendChild(td3);
    };

    var foo = function () {};
    var f = Y.one('#demo');

    Y.on('click',populateRow, '#demo-1', Y, null);
    Y.on('click',populateRow, '#demo-2', Y, []);
    Y.on('click',populateRow, '#demo-3', Y, {});
    Y.on('click',populateRow, '#demo-4', Y, foo);
    Y.on('click',populateRow, '#demo-5', Y, new foo());

    /*
    // We are working with Nodes and NodeLists now, so the results are not as interesting
    Y.on('click',populateRow, '#demo-6', Y, f.getElementsByTagName('tr'));
    Y.on('click',populateRow, '#demo-7', Y, Y.all('#demo td:foo'));
    */
});
</script>
	
	<!--END SOURCE CODE FOR EXAMPLE =============================== -->
	
		
		</div>
	</div>			
	</div>
		
	<h2 class="first">Type Checking with YUI</h2>

<h3>Instantiate YUI</h3>
<div id="syntax-07031d111757252de545d63e1b025e0d" class="yui-syntax-highlight"><div class="numbers"><pre class="javascript" style="font-family:monospace;"><ol><li class="li1"><div class="de1"><span class="sy0">&lt;!--</span> include yui <span class="sy0">--&gt;</span></div></li><li class="li1"><div class="de1"><span class="sy0">&lt;</span>script type<span class="sy0">=</span><span class="st0">&quot;text/javascript&quot;</span> src<span class="sy0">=</span><span class="st0">&quot;../../build/yui/yui.js&quot;</span><span class="sy0">&gt;&lt;/</span>script<span class="sy0">&gt;</span></div></li><li class="li1"><div class="de1">&nbsp;</div></li><li class="li1"><div class="de1">YUI<span class="br0">&#40;</span><span class="br0">&#41;</span>.<span class="kw2">use</span><span class="br0">&#40;</span><span class="st0">&quot;node&quot;</span><span class="sy0">,</span> <span class="kw2">function</span><span class="br0">&#40;</span>Y<span class="br0">&#41;</span> <span class="br0">&#123;</span></div></li><li class="li2"><div class="de2">    <span class="co1">// This method is in the core of the library, so we don't have to use() any</span></div></li><li class="li1"><div class="de1">    <span class="co1">// additional modules to access it.  However, this example requires 'node'.</span></div></li></ol></pre></div><div class="nonumbers"><pre class="javascript" style="font-family:monospace;"><span class="sy0">&lt;!--</span> include yui <span class="sy0">--&gt;</span>
<span class="sy0">&lt;</span>script type<span class="sy0">=</span><span class="st0">&quot;text/javascript&quot;</span> src<span class="sy0">=</span><span class="st0">&quot;../../build/yui/yui.js&quot;</span><span class="sy0">&gt;&lt;/</span>script<span class="sy0">&gt;</span>
&nbsp;
YUI<span class="br0">&#40;</span><span class="br0">&#41;</span>.<span class="kw2">use</span><span class="br0">&#40;</span><span class="st0">&quot;node&quot;</span><span class="sy0">,</span> <span class="kw2">function</span><span class="br0">&#40;</span>Y<span class="br0">&#41;</span> <span class="br0">&#123;</span>
    <span class="co1">// This method is in the core of the library, so we don't have to use() any</span>
    <span class="co1">// additional modules to access it.  However, this example requires 'node'.</span></pre></div><textarea id="syntax-07031d111757252de545d63e1b025e0d-plain"><!-- include yui -->
<script type="text/javascript" src="../../build/yui/yui.js"></script>

YUI().use("node", function(Y) {
    // This method is in the core of the library, so we don't have to use() any
    // additional modules to access it.  However, this example requires 'node'.</textarea></div>
<h3>Checking types</h3>
<p>In this example, we use a few of the type-checking methods available in
<code>Lang</code> to test various types of data.</p>

<div id="syntax-21a59ab3064e99480fb3defec013e5b6" class="yui-syntax-highlight"><div class="numbers"><pre class="javascript" style="font-family:monospace;"><ol><li class="li1"><div class="de1"><span class="co1">// Test the input using Y.Lang type checking methods</span></div></li><li class="li1"><div class="de1"><span class="kw2">var</span> checkType <span class="sy0">=</span> <span class="kw2">function</span> <span class="br0">&#40;</span>val<span class="br0">&#41;</span> <span class="br0">&#123;</span></div></li><li class="li1"><div class="de1">    <span class="kw1">return</span> <span class="br0">&#123;</span></div></li><li class="li1"><div class="de1">        <span class="st0">'object'</span>  <span class="sy0">:</span> Y.<span class="me1">Lang</span>.<span class="me1">isObject</span><span class="br0">&#40;</span>val<span class="br0">&#41;</span><span class="sy0">,</span></div></li><li class="li2"><div class="de2">        <span class="st0">'array'</span>   <span class="sy0">:</span> Y.<span class="me1">Lang</span>.<span class="me1">isArray</span><span class="br0">&#40;</span>val<span class="br0">&#41;</span><span class="sy0">,</span></div></li><li class="li1"><div class="de1">        <span class="st0">'function'</span><span class="sy0">:</span> Y.<span class="me1">Lang</span>.<span class="me1">isFunction</span><span class="br0">&#40;</span>val<span class="br0">&#41;</span><span class="sy0">,</span></div></li><li class="li1"><div class="de1">        <span class="st0">'type'</span>    <span class="sy0">:</span> Y.<span class="me1">Lang</span>.<span class="me1">type</span><span class="br0">&#40;</span>val<span class="br0">&#41;</span></div></li><li class="li1"><div class="de1">    <span class="br0">&#125;</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"><span class="br0">&#125;</span><span class="sy0">;</span></div></li></ol></pre></div><div class="nonumbers"><pre class="javascript" style="font-family:monospace;"><span class="co1">// Test the input using Y.Lang type checking methods</span>
<span class="kw2">var</span> checkType <span class="sy0">=</span> <span class="kw2">function</span> <span class="br0">&#40;</span>val<span class="br0">&#41;</span> <span class="br0">&#123;</span>
    <span class="kw1">return</span> <span class="br0">&#123;</span>
        <span class="st0">'object'</span>  <span class="sy0">:</span> Y.<span class="me1">Lang</span>.<span class="me1">isObject</span><span class="br0">&#40;</span>val<span class="br0">&#41;</span><span class="sy0">,</span>
        <span class="st0">'array'</span>   <span class="sy0">:</span> Y.<span class="me1">Lang</span>.<span class="me1">isArray</span><span class="br0">&#40;</span>val<span class="br0">&#41;</span><span class="sy0">,</span>
        <span class="st0">'function'</span><span class="sy0">:</span> Y.<span class="me1">Lang</span>.<span class="me1">isFunction</span><span class="br0">&#40;</span>val<span class="br0">&#41;</span><span class="sy0">,</span>
        <span class="st0">'type'</span>    <span class="sy0">:</span> Y.<span class="me1">Lang</span>.<span class="me1">type</span><span class="br0">&#40;</span>val<span class="br0">&#41;</span>
    <span class="br0">&#125;</span><span class="sy0">;</span>
<span class="br0">&#125;</span><span class="sy0">;</span></pre></div><textarea id="syntax-21a59ab3064e99480fb3defec013e5b6-plain">// Test the input using Y.Lang type checking methods
var checkType = function (val) {
    return {
        'object'  : Y.Lang.isObject(val),
        'array'   : Y.Lang.isArray(val),
        'function': Y.Lang.isFunction(val),
        'type'    : Y.Lang.type(val)
    };
};</textarea></div>
<h3>Full Source</h3>

<div id="syntax-9c0d321b78cfb2275a37f47230d9f54c" class="yui-syntax-highlight"><div class="numbers"><pre class="javascript" style="font-family:monospace;"><ol><li class="li1"><div class="de1">YUI<span class="br0">&#40;</span><span class="br0">&#41;</span>.<span class="kw2">use</span><span class="br0">&#40;</span><span class="st0">&quot;node&quot;</span><span class="sy0">,</span> <span class="kw2">function</span><span class="br0">&#40;</span>Y<span class="br0">&#41;</span> <span class="br0">&#123;</span></div></li><li class="li1"><div class="de1">    <span class="co1">// This method is in the core of the library, so we don't have to use() any</span></div></li><li class="li1"><div class="de1">    <span class="co1">// additional modules to access it.  However, this example requires 'node'.</span></div></li><li class="li1"><div class="de1">&nbsp;</div></li><li class="li2"><div class="de2">    <span class="kw2">var</span> checkType <span class="sy0">=</span> <span class="kw2">function</span> <span class="br0">&#40;</span>val<span class="br0">&#41;</span> <span class="br0">&#123;</span></div></li><li class="li1"><div class="de1">        <span class="kw1">return</span> <span class="br0">&#123;</span></div></li><li class="li1"><div class="de1">            <span class="st0">'object'</span>  <span class="sy0">:</span> Y.<span class="me1">Lang</span>.<span class="me1">isObject</span><span class="br0">&#40;</span>val<span class="br0">&#41;</span><span class="sy0">,</span></div></li><li class="li1"><div class="de1">            <span class="st0">'array'</span>   <span class="sy0">:</span> Y.<span class="me1">Lang</span>.<span class="me1">isArray</span><span class="br0">&#40;</span>val<span class="br0">&#41;</span><span class="sy0">,</span></div></li><li class="li1"><div class="de1">            <span class="st0">'function'</span><span class="sy0">:</span> Y.<span class="me1">Lang</span>.<span class="me1">isFunction</span><span class="br0">&#40;</span>val<span class="br0">&#41;</span><span class="sy0">,</span></div></li><li class="li2"><div class="de2">            <span class="st0">'type'</span>    <span class="sy0">:</span> Y.<span class="me1">Lang</span>.<span class="me1">type</span><span class="br0">&#40;</span>val<span class="br0">&#41;</span></div></li><li class="li1"><div class="de1">        <span class="br0">&#125;</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1">    <span class="br0">&#125;</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1">&nbsp;</div></li><li class="li1"><div class="de1">    <span class="kw2">var</span> populateRow <span class="sy0">=</span> <span class="kw2">function</span> <span class="br0">&#40;</span>e<span class="sy0">,</span> data<span class="br0">&#41;</span> <span class="br0">&#123;</span></div></li><li class="li2"><div class="de2">        <span class="kw2">var</span> target <span class="sy0">=</span> e.<span class="me1">target</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1">            cell <span class="sy0">=</span> target.<span class="me1">get</span><span class="br0">&#40;</span><span class="st0">'parentNode'</span><span class="br0">&#41;</span><span class="sy0">,</span></div></li><li class="li1"><div class="de1">            row  <span class="sy0">=</span> cell.<span class="me1">get</span><span class="br0">&#40;</span><span class="st0">'parentNode'</span><span class="br0">&#41;</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1">&nbsp;</div></li><li class="li1"><div class="de1">        row.<span class="me1">removeChild</span><span class="br0">&#40;</span>cell<span class="br0">&#41;</span><span class="sy0">;</span></div></li><li class="li2"><div class="de2">&nbsp;</div></li><li class="li1"><div class="de1">        <span class="kw2">var</span> td0 <span class="sy0">=</span> document.<span class="me1">createElement</span><span class="br0">&#40;</span><span class="st0">'td'</span><span class="br0">&#41;</span><span class="sy0">,</span></div></li><li class="li1"><div class="de1">            td1 <span class="sy0">=</span> td0.<span class="me1">cloneNode</span><span class="br0">&#40;</span><span class="kw2">false</span><span class="br0">&#41;</span><span class="sy0">,</span></div></li><li class="li1"><div class="de1">            td2 <span class="sy0">=</span> td0.<span class="me1">cloneNode</span><span class="br0">&#40;</span><span class="kw2">false</span><span class="br0">&#41;</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1">            td3 <span class="sy0">=</span> td0.<span class="me1">cloneNode</span><span class="br0">&#40;</span><span class="kw2">false</span><span class="br0">&#41;</span><span class="sy0">;</span></div></li><li class="li2"><div class="de2">&nbsp;</div></li><li class="li1"><div class="de1">        <span class="kw2">var</span> results <span class="sy0">=</span> checkType<span class="br0">&#40;</span>data<span class="br0">&#41;</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1">&nbsp;</div></li><li class="li1"><div class="de1">        td0.<span class="me1">appendChild</span><span class="br0">&#40;</span>document.<span class="me1">createTextNode</span><span class="br0">&#40;</span>results<span class="br0">&#91;</span><span class="st0">'object'</span><span class="br0">&#93;</span>   <span class="sy0">?</span> <span class="st0">'Y'</span> <span class="sy0">:</span> <span class="st0">'N'</span><span class="br0">&#41;</span><span class="br0">&#41;</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1">        td1.<span class="me1">appendChild</span><span class="br0">&#40;</span>document.<span class="me1">createTextNode</span><span class="br0">&#40;</span>results<span class="br0">&#91;</span><span class="st0">'array'</span><span class="br0">&#93;</span>    <span class="sy0">?</span> <span class="st0">'Y'</span> <span class="sy0">:</span> <span class="st0">'N'</span><span class="br0">&#41;</span><span class="br0">&#41;</span><span class="sy0">;</span></div></li><li class="li2"><div class="de2">        td2.<span class="me1">appendChild</span><span class="br0">&#40;</span>document.<span class="me1">createTextNode</span><span class="br0">&#40;</span>results<span class="br0">&#91;</span><span class="st0">'function'</span><span class="br0">&#93;</span> <span class="sy0">?</span> <span class="st0">'Y'</span> <span class="sy0">:</span> <span class="st0">'N'</span><span class="br0">&#41;</span><span class="br0">&#41;</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1">        td3.<span class="me1">appendChild</span><span class="br0">&#40;</span>document.<span class="me1">createTextNode</span><span class="br0">&#40;</span>results<span class="br0">&#91;</span><span class="st0">'type'</span><span class="br0">&#93;</span><span class="br0">&#41;</span><span class="br0">&#41;</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1">&nbsp;</div></li><li class="li1"><div class="de1">        row.<span class="me1">appendChild</span><span class="br0">&#40;</span>td0<span class="br0">&#41;</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1">        row.<span class="me1">appendChild</span><span class="br0">&#40;</span>td1<span class="br0">&#41;</span><span class="sy0">;</span></div></li><li class="li2"><div class="de2">        row.<span class="me1">appendChild</span><span class="br0">&#40;</span>td2<span class="br0">&#41;</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1">        row.<span class="me1">appendChild</span><span class="br0">&#40;</span>td3<span class="br0">&#41;</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1">    <span class="br0">&#125;</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1">&nbsp;</div></li><li class="li1"><div class="de1">    <span class="kw2">var</span> foo <span class="sy0">=</span> <span class="kw2">function</span> <span class="br0">&#40;</span><span class="br0">&#41;</span> <span class="br0">&#123;</span><span class="br0">&#125;</span><span class="sy0">;</span></div></li><li class="li2"><div class="de2">    <span class="kw2">var</span> f <span class="sy0">=</span> Y.<span class="me1">one</span><span class="br0">&#40;</span><span class="st0">'#demo'</span><span class="br0">&#41;</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1">&nbsp;</div></li><li class="li1"><div class="de1">    Y.<span class="me1">on</span><span class="br0">&#40;</span><span class="st0">'click'</span><span class="sy0">,</span>populateRow<span class="sy0">,</span> <span class="st0">'#demo-1'</span><span class="sy0">,</span> Y<span class="sy0">,</span> <span class="kw2">null</span><span class="br0">&#41;</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1">    Y.<span class="me1">on</span><span class="br0">&#40;</span><span class="st0">'click'</span><span class="sy0">,</span>populateRow<span class="sy0">,</span> <span class="st0">'#demo-2'</span><span class="sy0">,</span> Y<span class="sy0">,</span> <span class="br0">&#91;</span><span class="br0">&#93;</span><span class="br0">&#41;</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1">    Y.<span class="me1">on</span><span class="br0">&#40;</span><span class="st0">'click'</span><span class="sy0">,</span>populateRow<span class="sy0">,</span> <span class="st0">'#demo-3'</span><span class="sy0">,</span> Y<span class="sy0">,</span> <span class="br0">&#123;</span><span class="br0">&#125;</span><span class="br0">&#41;</span><span class="sy0">;</span></div></li><li class="li2"><div class="de2">    Y.<span class="me1">on</span><span class="br0">&#40;</span><span class="st0">'click'</span><span class="sy0">,</span>populateRow<span class="sy0">,</span> <span class="st0">'#demo-4'</span><span class="sy0">,</span> Y<span class="sy0">,</span> foo<span class="br0">&#41;</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1">    Y.<span class="me1">on</span><span class="br0">&#40;</span><span class="st0">'click'</span><span class="sy0">,</span>populateRow<span class="sy0">,</span> <span class="st0">'#demo-5'</span><span class="sy0">,</span> Y<span class="sy0">,</span> <span class="kw2">new</span> foo<span class="br0">&#40;</span><span class="br0">&#41;</span><span class="br0">&#41;</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1">&nbsp;</div></li><li class="li1"><div class="de1"><span class="br0">&#125;</span><span class="br0">&#41;</span><span class="sy0">;</span></div></li></ol></pre></div><div class="nonumbers"><pre class="javascript" style="font-family:monospace;">YUI<span class="br0">&#40;</span><span class="br0">&#41;</span>.<span class="kw2">use</span><span class="br0">&#40;</span><span class="st0">&quot;node&quot;</span><span class="sy0">,</span> <span class="kw2">function</span><span class="br0">&#40;</span>Y<span class="br0">&#41;</span> <span class="br0">&#123;</span>
    <span class="co1">// This method is in the core of the library, so we don't have to use() any</span>
    <span class="co1">// additional modules to access it.  However, this example requires 'node'.</span>
&nbsp;
    <span class="kw2">var</span> checkType <span class="sy0">=</span> <span class="kw2">function</span> <span class="br0">&#40;</span>val<span class="br0">&#41;</span> <span class="br0">&#123;</span>
        <span class="kw1">return</span> <span class="br0">&#123;</span>
            <span class="st0">'object'</span>  <span class="sy0">:</span> Y.<span class="me1">Lang</span>.<span class="me1">isObject</span><span class="br0">&#40;</span>val<span class="br0">&#41;</span><span class="sy0">,</span>
            <span class="st0">'array'</span>   <span class="sy0">:</span> Y.<span class="me1">Lang</span>.<span class="me1">isArray</span><span class="br0">&#40;</span>val<span class="br0">&#41;</span><span class="sy0">,</span>
            <span class="st0">'function'</span><span class="sy0">:</span> Y.<span class="me1">Lang</span>.<span class="me1">isFunction</span><span class="br0">&#40;</span>val<span class="br0">&#41;</span><span class="sy0">,</span>
            <span class="st0">'type'</span>    <span class="sy0">:</span> Y.<span class="me1">Lang</span>.<span class="me1">type</span><span class="br0">&#40;</span>val<span class="br0">&#41;</span>
        <span class="br0">&#125;</span><span class="sy0">;</span>
    <span class="br0">&#125;</span><span class="sy0">;</span>
&nbsp;
    <span class="kw2">var</span> populateRow <span class="sy0">=</span> <span class="kw2">function</span> <span class="br0">&#40;</span>e<span class="sy0">,</span> data<span class="br0">&#41;</span> <span class="br0">&#123;</span>
        <span class="kw2">var</span> target <span class="sy0">=</span> e.<span class="me1">target</span><span class="sy0">;</span>
            cell <span class="sy0">=</span> target.<span class="me1">get</span><span class="br0">&#40;</span><span class="st0">'parentNode'</span><span class="br0">&#41;</span><span class="sy0">,</span>
            row  <span class="sy0">=</span> cell.<span class="me1">get</span><span class="br0">&#40;</span><span class="st0">'parentNode'</span><span class="br0">&#41;</span><span class="sy0">;</span>
&nbsp;
        row.<span class="me1">removeChild</span><span class="br0">&#40;</span>cell<span class="br0">&#41;</span><span class="sy0">;</span>
&nbsp;
        <span class="kw2">var</span> td0 <span class="sy0">=</span> document.<span class="me1">createElement</span><span class="br0">&#40;</span><span class="st0">'td'</span><span class="br0">&#41;</span><span class="sy0">,</span>
            td1 <span class="sy0">=</span> td0.<span class="me1">cloneNode</span><span class="br0">&#40;</span><span class="kw2">false</span><span class="br0">&#41;</span><span class="sy0">,</span>
            td2 <span class="sy0">=</span> td0.<span class="me1">cloneNode</span><span class="br0">&#40;</span><span class="kw2">false</span><span class="br0">&#41;</span><span class="sy0">;</span>
            td3 <span class="sy0">=</span> td0.<span class="me1">cloneNode</span><span class="br0">&#40;</span><span class="kw2">false</span><span class="br0">&#41;</span><span class="sy0">;</span>
&nbsp;
        <span class="kw2">var</span> results <span class="sy0">=</span> checkType<span class="br0">&#40;</span>data<span class="br0">&#41;</span><span class="sy0">;</span>
&nbsp;
        td0.<span class="me1">appendChild</span><span class="br0">&#40;</span>document.<span class="me1">createTextNode</span><span class="br0">&#40;</span>results<span class="br0">&#91;</span><span class="st0">'object'</span><span class="br0">&#93;</span>   <span class="sy0">?</span> <span class="st0">'Y'</span> <span class="sy0">:</span> <span class="st0">'N'</span><span class="br0">&#41;</span><span class="br0">&#41;</span><span class="sy0">;</span>
        td1.<span class="me1">appendChild</span><span class="br0">&#40;</span>document.<span class="me1">createTextNode</span><span class="br0">&#40;</span>results<span class="br0">&#91;</span><span class="st0">'array'</span><span class="br0">&#93;</span>    <span class="sy0">?</span> <span class="st0">'Y'</span> <span class="sy0">:</span> <span class="st0">'N'</span><span class="br0">&#41;</span><span class="br0">&#41;</span><span class="sy0">;</span>
        td2.<span class="me1">appendChild</span><span class="br0">&#40;</span>document.<span class="me1">createTextNode</span><span class="br0">&#40;</span>results<span class="br0">&#91;</span><span class="st0">'function'</span><span class="br0">&#93;</span> <span class="sy0">?</span> <span class="st0">'Y'</span> <span class="sy0">:</span> <span class="st0">'N'</span><span class="br0">&#41;</span><span class="br0">&#41;</span><span class="sy0">;</span>
        td3.<span class="me1">appendChild</span><span class="br0">&#40;</span>document.<span class="me1">createTextNode</span><span class="br0">&#40;</span>results<span class="br0">&#91;</span><span class="st0">'type'</span><span class="br0">&#93;</span><span class="br0">&#41;</span><span class="br0">&#41;</span><span class="sy0">;</span>
&nbsp;
        row.<span class="me1">appendChild</span><span class="br0">&#40;</span>td0<span class="br0">&#41;</span><span class="sy0">;</span>
        row.<span class="me1">appendChild</span><span class="br0">&#40;</span>td1<span class="br0">&#41;</span><span class="sy0">;</span>
        row.<span class="me1">appendChild</span><span class="br0">&#40;</span>td2<span class="br0">&#41;</span><span class="sy0">;</span>
        row.<span class="me1">appendChild</span><span class="br0">&#40;</span>td3<span class="br0">&#41;</span><span class="sy0">;</span>
    <span class="br0">&#125;</span><span class="sy0">;</span>
&nbsp;
    <span class="kw2">var</span> foo <span class="sy0">=</span> <span class="kw2">function</span> <span class="br0">&#40;</span><span class="br0">&#41;</span> <span class="br0">&#123;</span><span class="br0">&#125;</span><span class="sy0">;</span>
    <span class="kw2">var</span> f <span class="sy0">=</span> Y.<span class="me1">one</span><span class="br0">&#40;</span><span class="st0">'#demo'</span><span class="br0">&#41;</span><span class="sy0">;</span>
&nbsp;
    Y.<span class="me1">on</span><span class="br0">&#40;</span><span class="st0">'click'</span><span class="sy0">,</span>populateRow<span class="sy0">,</span> <span class="st0">'#demo-1'</span><span class="sy0">,</span> Y<span class="sy0">,</span> <span class="kw2">null</span><span class="br0">&#41;</span><span class="sy0">;</span>
    Y.<span class="me1">on</span><span class="br0">&#40;</span><span class="st0">'click'</span><span class="sy0">,</span>populateRow<span class="sy0">,</span> <span class="st0">'#demo-2'</span><span class="sy0">,</span> Y<span class="sy0">,</span> <span class="br0">&#91;</span><span class="br0">&#93;</span><span class="br0">&#41;</span><span class="sy0">;</span>
    Y.<span class="me1">on</span><span class="br0">&#40;</span><span class="st0">'click'</span><span class="sy0">,</span>populateRow<span class="sy0">,</span> <span class="st0">'#demo-3'</span><span class="sy0">,</span> Y<span class="sy0">,</span> <span class="br0">&#123;</span><span class="br0">&#125;</span><span class="br0">&#41;</span><span class="sy0">;</span>
    Y.<span class="me1">on</span><span class="br0">&#40;</span><span class="st0">'click'</span><span class="sy0">,</span>populateRow<span class="sy0">,</span> <span class="st0">'#demo-4'</span><span class="sy0">,</span> Y<span class="sy0">,</span> foo<span class="br0">&#41;</span><span class="sy0">;</span>
    Y.<span class="me1">on</span><span class="br0">&#40;</span><span class="st0">'click'</span><span class="sy0">,</span>populateRow<span class="sy0">,</span> <span class="st0">'#demo-5'</span><span class="sy0">,</span> Y<span class="sy0">,</span> <span class="kw2">new</span> foo<span class="br0">&#40;</span><span class="br0">&#41;</span><span class="br0">&#41;</span><span class="sy0">;</span>
&nbsp;
<span class="br0">&#125;</span><span class="br0">&#41;</span><span class="sy0">;</span></pre></div><textarea id="syntax-9c0d321b78cfb2275a37f47230d9f54c-plain">YUI().use("node", function(Y) {
    // This method is in the core of the library, so we don't have to use() any
    // additional modules to access it.  However, this example requires 'node'.

    var checkType = function (val) {
        return {
            'object'  : Y.Lang.isObject(val),
            'array'   : Y.Lang.isArray(val),
            'function': Y.Lang.isFunction(val),
            'type'    : Y.Lang.type(val)
        };
    };

    var populateRow = function (e, data) {
        var target = e.target;
            cell = target.get('parentNode'),
            row  = cell.get('parentNode');

        row.removeChild(cell);

        var td0 = document.createElement('td'),
            td1 = td0.cloneNode(false),
            td2 = td0.cloneNode(false);
            td3 = td0.cloneNode(false);

        var results = checkType(data);

        td0.appendChild(document.createTextNode(results['object']   ? 'Y' : 'N'));
        td1.appendChild(document.createTextNode(results['array']    ? 'Y' : 'N'));
        td2.appendChild(document.createTextNode(results['function'] ? 'Y' : 'N'));
        td3.appendChild(document.createTextNode(results['type']));

        row.appendChild(td0);
        row.appendChild(td1);
        row.appendChild(td2);
        row.appendChild(td3);
    };

    var foo = function () {};
    var f = Y.one('#demo');

    Y.on('click',populateRow, '#demo-1', Y, null);
    Y.on('click',populateRow, '#demo-2', Y, []);
    Y.on('click',populateRow, '#demo-3', Y, {});
    Y.on('click',populateRow, '#demo-4', Y, foo);
    Y.on('click',populateRow, '#demo-5', Y, new foo());

});</textarea></div>				</div>
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						<h4>
    The YUI Global Object Examples:</h4>
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						<div class="bd">
							<ul>
								<li><a href='../yui/yui-core.html'>YUI Core</a></li><li><a href='../yui/yui-more.html'>Load All Modules</a></li><li><a href='../yui/yui-multi.html'>Multiple Instances</a></li><li><a href='../yui/yui-loader-ext.html'>YUI Loader - Dynamically Adding YUI and External Modules</a></li><li><a href='../yui/yui-extend.html'>Create Class Hierarchies with <code>extend</code></a></li><li><a href='../yui/yui-augment.html'>Compose Classes of Objects with <code>augment</code></a></li><li><a href='../yui/yui-mix.html'>Add Behaviors to Objects with <code>mix</code></a></li><li><a href='../yui/yui-merge.html'>Combine Data Sets with <code>merge</code></a></li><li class='selected'><a href='../yui/yui-isa.html'>Check Data Types with <code>Lang</code></a></li><li><a href='../yui/yui-ua.html'>Browser Detection with <code>UA</code></a></li><li><a href='../yui/yui-compat.html'>YUI 2 in 3</a></li><li><a href='../yui/yui-gallery.html'>Natively use YUI Gallery Modules</a></li><li><a href='../yui/yui-gallery2.html'>YUI 2 in 3 &amp; Gallery Modules</a></li>							</ul>
						</div>
					</div>
					
					<div class="mod box4">
                        <div class="hd">
						<h4>More The YUI Global Object Resources:</h4>
                        </div>
                        <div class="bd">
						<ul>
							<!-- <li><a href="http://developer.yahoo.com/yui/yui/">User's Guide</a> (external)</li> -->
<li><a href="../../api/module_yui.html">API Documentation</a></li></ul>
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